#exam6.2repeated.py 重复元素判定
def test(ls):
    if len(ls) == len(set(ls)):
        print("False")
    else:
        print("True")
def getElement():
    lis = []
    ch = input("请输入判定元素:")
    while ch != "":
        lis.append(ch)
        ch = input("请输入判定元素:")
    test(lis)
getElement()